Facing problem with running exe from my java code

Question

Hello,
I have to run the exe from java code for which I m using Runtime and Process classes. The exe runs in the following way on command line
C:/ myexe -j [now press enter]
input sentence followed by ! [now press enter]
And after this exe gives the output.
So is there any way to achieve this programmatically in Java?
Thanks in advance.
Regards,

Answer 1

I m confused .. how can i pass input to the Process through InputStream? I think it will need OutputStream for that.
Here is my code...
import java.io.*;
class CallToExe
static BufferedReader br;
public static void main(String[] args)
File F = new File("C:/Chasen.exe");
try
if( F.exists())
     System.out.println("Exe exists");
     Runtime rt = Runtime.getRuntime();
     Process proc = rt.exec("C:/chasen.exe");
     br = new BufferedReader(new InputStreamReader(in));
     int a = in.read();
     System.out.println(a);
     String res = br.readLine();
     System.out.println(res);     
     while(!res.equals(null))
     System.out.println(res);     
     res = br.readLine();
proc.waitFor();
     proc.destroy();
catch(NullPointerException npe)
     npe.printStackTrace();
catch (Exception IOEx)
IOEx.printStackTrace();
But it doesnt work as my chasen.exe needs arguments from stdin.
The way exe works is as follows.
on command prompt>>
C:/chasen.exe -j [ Need to press ENTER here]
input statement . [ Need to press ENTER here too]
Then output is displayed on command prompt which can be taken from InputStream of the process. But I m not able to properly run this exe itself with all the arguments frm Stdin